Quantitative Aptitude - MCQ Practice Questions

The product of two numbers is 2028 and their HCF is 13. What is their LCM?

If a number is multiplied by 3 and then 4 is subtracted, the result is 17. What is the number?

The sum of three consecutive odd numbers is 51. What is the middle number?

A number is 12 more than another number. If their product is 189, what is the smaller number?

If the sum of digits of a number is 21 and the number is divisible by 3, which statement is true?

If x is a prime number greater than 2, which of the following must be true?

What is the smallest natural number that has exactly 10 divisors?

Three bells ring at intervals of 12, 18, and 24 minutes. If they ring together at 10:00 AM, at what time will they ring together again?

A number leaves remainders 2, 3, and 4 when divided by 3, 4, and 5 respectively. What is the number?

If 2^x = 32, what is the value of x?

The HCF of two numbers is 23 and their LCM is 1449. If one number is 161, what is the other?

How many numbers from 1 to 200 are divisible by 7 but not by 14?

What is the sum of all prime numbers less than 20?

If a number is divisible by both 9 and 16, it must be divisible by:

What is the difference between the largest 3-digit number and the smallest 3-digit number that are divisible by 11?

What is the number of divisors of 360?

Find the smallest 4-digit number that is a perfect cube.

If x = 2^a × 3^b × 5^c, and x is divisible by 72 but not by 8, find the minimum value of a.

Which of the following is a perfect number?

Two numbers have a ratio of 3:5. If their HCF is 7, what is their sum?